Extract common per-network proxy configuration functions.

chrome/browser/chromeos/net/proxy_config_handler.h

Index: chrome/browser/chromeos/net/proxy_config_handler.h
diff --git a/chrome/browser/chromeos/net/proxy_config_handler.h b/chrome/browser/chromeos/net/proxy_config_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..7e87298018adeea8a4a20f5b9aad79239b9e0ba6
--- /dev/null
+++ b/chrome/browser/chromeos/net/proxy_config_handler.h
@@ -0,0 +1,27 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_CHROMEOS_NET_PROXY_CONFIG_HANDLER_H_
+#define CHROME_BROWSER_CHROMEOS_NET_PROXY_CONFIG_HANDLER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "chromeos/network/network_state.h"
+
+class ProxyConfigDictionary;
+
+namespace chromeos {
+
+namespace proxy_config {
+
+scoped_ptr<ProxyConfigDictionary> GetProxyConfigOfNetwork(
+    const NetworkState& network);
+
+void SetProxyConfigOfNetwork(const ProxyConfigDictionary& proxy_config,
+                             const NetworkState& network);
+
+}  // namespace proxy_config
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_NET_PROXY_CONFIG_HANDLER_H_